| Case Size | 41mm / 45mm aerospace-grade aluminium, water resistant to 50 m | — |
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| Display | Actua 360 domed display, 3000 nits, 10% larger active area, 16% smaller bezels | 1.3-inch always-on AMOLED touchscreen, 416x416, up to 1,500 nits, mineral glass |
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| Chipset | Qualcomm Snapdragon W5 Gen 2 with ML co-processor | — |
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| Battery | 30 hours (41mm) / 40 hours (45mm); up to 2 / 3 days in Battery Saver mode; 0-50% in 15 minutes | Up to 20 days of daily use (up to 6 days with always-on display); up to 38 hours of GPS in All Systems mode (28 hours with always-on display); up to 31 hours in dual-frequency mode; under 2 hours to charge |
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| Health Sensors | Heart rate, ECG assessment, skin temperature sensor, loss of pulse detection, sleep tracking | — |
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| Connectivity | Wi-Fi and LTE models, dual-frequency GPS; LTE model with standalone satellite emergency communication | Bluetooth, Wi-Fi for data sync and firmware updates, offline music playback with supported Bluetooth headsets |
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| OS | Wear OS with Gemini (Raise to Talk) | — |
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| Processor | — | Ambiq Apollo510 (COROS claims more than twice the processing power of the PACE 3) |
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| Body | — | 46 x 46 x 12.25 mm; 37 g with nylon band, 49 g with silicone band; fiber-reinforced polymer case and bezel; 22mm quick-release bands |
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| Positioning | — | All-satellite dual-frequency GNSS (GPS, GLONASS, Galileo, BeiDou, QZSS), downloadable global maps with turn-by-turn navigation |
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| Sensors | — | Optical heart rate and SpO2, electrical heart rate sensor for HRV, barometric altimeter, accelerometer, gyroscope, 3D compass, thermometer |
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| Controls | — | Touchscreen, digital dial and back button |
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| Memory | — | 32GB internal storage, about 1,200 hours of activity memory (COROS estimate) |
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| Water resistance | — | 5 ATM (surface water activities, not for diving) |
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| Charging | — | USB-C (cable not included) |
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| Colors | — | Black, Grey, Blue |
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